CN201607736U - Multi-functional U disc and U disc system - Google Patents
Multi-functional U disc and U disc system Download PDFInfo
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- CN201607736U CN201607736U CN2010201226801U CN201020122680U CN201607736U CN 201607736 U CN201607736 U CN 201607736U CN 2010201226801 U CN2010201226801 U CN 2010201226801U CN 201020122680 U CN201020122680 U CN 201020122680U CN 201607736 U CN201607736 U CN 201607736U
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Abstract
The utility model relates to a multi-functional U disc and a U disc system. The U disc comprises a USB interface and a flash memory as well as a control unit, a radio-frequency card reading unit, a radio-frequency card sending unit, a mobile internet unit and a security certification unit, wherein the control unit is connected with the USB interface and the flash memory and used for controlling the USB interface and the flash memory; the radio-frequency card reading unit is connected with the control unit and used for reading external radio-frequency card information and outputting the read external radio-frequency card information by the USB interface; the radio-frequency card sending unit is used for storing local radio-frequency card information and sending the local radio-frequency card information to an external radio-frequency card reading device; the mobile internet unit is used for being connected with an external computer by the USB interface and leading the external computer to be communicated with an external internet; and the security certification unit is used for storing personal certification information and outputting personal certification information to an external certification server for certification by the USB interface. The U disc system comprises the multi-functional U disc and the computer.
Description
Technical field
The utility model is about a kind of Multifunctional U disk and USB flash disk system relevant for the mobile storage technology concretely.
Background technology
Along with the continuous development of the communication technology, USB flash disk has obtained application more and more widely.Except having memory function, the USB flash disk with other functions also progressively is used, and for example: the USB Key that is applied in financial fields such as banking industry, securities business can be implemented in safety certificate management and the authentication function on the terminal computer.And in general, existing USB flash disk does not have more additional function.Yet in people's daily life,, often need to use multiple communicator or equipment respectively, so just make troubles to the user in order to meet the different needs.Therefore, how the multiple product that difference in functionality is provided is respectively passed through to integrate, to realize only using single product just can substitute existing multiple product, become the technical barrier of needing solution badly by means of this carrier of USB flash disk.
The utility model content
The purpose of this utility model is to propose a kind of Multifunctional U disk and USB flash disk system, the awkward problem that causes in the hope of user in the solution prior art need use multiple different communication product could satisfy corresponding demand respectively.
On the one hand, the utility model provides a kind of Multifunctional U disk, and described Multifunctional U disk comprises: USB interface and flash memories; Described Multifunctional U disk also comprises: control module, and described control module is connected with flash memories with described USB interface, is used to control described USB interface and flash memories;
The radio-frequency card reading unit is connected with described control module, is used to read the external radio frequency card information, and the external radio frequency card information that reads is exported by described USB interface;
The radio-frequency card transmitting element is connected with described control module, is used to store local radio-frequency card information, and described local radio-frequency card information is sent to the external radio frequency card reading device;
The mobile Internet access unit is connected with described control module, is used for being connected with outer computer by described USB interface, and described outer computer is communicated by letter with external the Internet;
Safety certification unit is connected with described control module, is used to store personal authentication's information, and described personal authentication's information is exported to external authentication server by described USB interface authenticates.
On the other hand, the utility model provides a kind of USB flash disk system, and described system comprises Multifunctional U disk and computing machine, wherein:
Described Multifunctional U disk comprises: USB interface and flash memories; Control module, described control module is connected with flash memories with described USB interface, is used to control described USB interface and flash memories; The radio-frequency card reading unit is connected with described control module, is used to read the external radio frequency card information, and the external radio frequency card information that reads is exported by described USB interface; The radio-frequency card transmitting element is connected with described control module, is used to store local radio-frequency card information, and described local radio-frequency card information is sent to the external radio frequency card reading device; The mobile Internet access unit is connected with described control module, is used for being connected with outer computer by described USB interface, and described outer computer is communicated by letter with external the Internet; Safety certification unit is connected with described control module, is used to store personal authentication's information, and described personal authentication's information is exported to external authentication server by described USB interface authenticates.
Described computing machine comprises: radio-frequency card reads control module, is used to control described radio-frequency card reading unit and reads described external radio frequency card information; The mobile Internet access control module is used for communicating by letter with external the Internet with realization by controlling described mobile Internet access unit; The safety certification administrative unit is used to manage the personal authentication's information from described safety certification unit input.
The technical scheme that provides according to the utility model, realized providing respectively the multiple product of difference in functionality by integrating, to realize only using single product just can substitute existing multiple product, provide user's experience sense by means of this carrier of USB flash disk, increased the convenience that uses.
Description of drawings
In order to be illustrated more clearly in the utility model embodiment or technical scheme of the prior art, to do to introduce simply to the accompanying drawing of required use in embodiment or the description of the Prior Art below, apparently, accompanying drawing in describing below only is embodiment more of the present utility model, for those of ordinary skills, under the prerequisite of not paying creative work, can also obtain other accompanying drawing according to these accompanying drawings.
Figure 1 shows that the synoptic diagram of the Multifunctional U disk that the utility model embodiment provides;
Figure 2 shows that the structural representation of the USB flash disk system that the utility model embodiment provides;
Figure 3 shows that the structural representation of the Multifunctional U disk that the utility model embodiment provides;
Figure 4 shows that the structural representation of the realization function of surfing the Net of the Multifunctional U disk that the utility model embodiment provides;
Figure 5 shows that the interface sectional drawing of the computer terminal of the Multifunctional U disk system that the utility model embodiment provides;
Figure 6 shows that the interface sectional drawing of the computer terminal of the Multifunctional U disk system that the utility model embodiment provides;
Figure 7 shows that the interface sectional drawing of the computer terminal of the Multifunctional U disk system that the utility model embodiment provides;
Figure 8 shows that the interface sectional drawing of the computer terminal of the Multifunctional U disk system that the utility model embodiment provides;
Figure 9 shows that the structural representation of the realization safety certification function of the Multifunctional U disk that the utility model embodiment provides;
Figure 10 shows that the interface sectional drawing of the computer terminal of the Multifunctional U disk system that the utility model embodiment provides;
Figure 11 shows that the structural representation of the realization radio-frequency card functions of card reader of the Multifunctional U disk that the utility model embodiment provides;
Figure 12 shows that the interface sectional drawing of the computer terminal of the Multifunctional U disk system that the utility model embodiment provides;
Figure 13 shows that the interface sectional drawing of the computer terminal of the Multifunctional U disk system that the utility model embodiment provides;
Figure 14 shows that the structural representation of the realization radio-frequency card function of the Multifunctional U disk that the utility model embodiment provides;
Figure 15 shows that the interface sectional drawing of the computer terminal of the Multifunctional U disk system that the utility model embodiment provides;
But Figure 16 shows that the structural representation of the realization extension storage apparatus function of the Multifunctional U disk that the utility model embodiment provides.
Embodiment
Below in conjunction with the accompanying drawing among the utility model embodiment, the technical scheme among the utility model embodiment is clearly and completely described, obviously, described embodiment only is the utility model part embodiment, rather than whole embodiment.Based on the embodiment in the utility model, those of ordinary skills are not making the every other embodiment that is obtained under the creative work prerequisite, all belong to the scope of the utility model protection.
Figure 1 shows that the synoptic diagram of the Multifunctional U disk 100 that the utility model embodiment provides.
Described Multifunctional U disk 100 comprises: usb 1 01 and flash memories 102.Described flash memories 102 includes but not limited to SD card, FLASH card, TF card, mmc card.
Described Multifunctional U disk 100 also comprises: control module 103, radio-frequency card reading unit 104, radio-frequency card transmitting element 105, mobile Internet access unit 106 and safety certification unit 107, wherein:
Described control module 103 is connected with flash memories 102 with described usb 1 01, is used to control described usb 1 01 and flash memories 102; Particularly, described control module 103 can be central processing unit.
Radio-frequency card reading unit 104 is connected with described control module 103, is used to read the external radio frequency card information, and the external radio frequency card information that reads is exported by described usb 1 01;
Described radio-frequency card reading unit 104 comprises: radio-frequency antenna and radio frequency interface unit; Described radio-frequency antenna is input to usb 1 01 with the external radio frequency card information that reads by described radio frequency interface unit, by described usb 1 01 described external radio frequency card information is exported again.Specifically, described external radio frequency card can be IC-card (for example: bus IC card), also can be other cards with radio communication function.
Radio-frequency card transmitting element 105 is connected with described control module 103, is used to store local radio-frequency card information, and described local radio-frequency card information is sent to the external radio frequency card reading device; By way of example, local radio-frequency card information can be a kind of IC-card information (for example: bus IC card or gate inhibition's IC-card), so, described external radio frequency card reading device correspondingly is a kind of IC-card information read device (for example: bus IC card card-reading apparatus or gate inhibition's IC-card card-reading apparatus).
Described radio-frequency card transmitting element 105 comprises: radio-frequency antenna, radio frequency interface unit and SIM card; The local radio-frequency card information that described SIM card will be stored is input to described radio-frequency antenna by described radio frequency interface unit, and described radio-frequency antenna sends to the external radio frequency card reading device with described local radio-frequency card information again.Specifically, described SIM card can be for the SIM card of identifying algorithm, also can be for having the SIM card of authentication public key algorithm (PKI).
Aspect the support of radio frequency protocol, described radio-frequency card reading unit 104, described radio-frequency card transmitting element 105 are all supported ISO14443 Type A/B and Mifare agreement.
Mobile Internet access unit 106 is connected with described control module 103, is used for being connected with outer computer by described usb 1 01, and described outer computer is communicated by letter with external the Internet;
Described mobile Internet access unit 106 includes but not limited to: gsm module, WCDMA module, TD-SCDMA module, CDMA2000 module or EVDO module, insert described external the Internet by described gsm module, described WCDMA module, described TD-SCDMA module, described CDMA2000 module or described EVDO module.Specifically, described mobile Internet access unit 105 can be modulator-demodular unit (Modem), also can be other unit or modules with function of surfing the Net.
Described Multifunctional U disk 100 also can comprise other communication interfaces, for example: blue tooth interface, infrared interface.Correspondingly, described Multifunctional U disk 100 inside are provided with bluetooth communication, the infrared communication module that adapts with above-mentioned communication interface.The person of ordinary skill in the field can utilize the technology of being grasped, and other communication interfaces are applied in the described Multifunctional U disk 100 that the utility model mentions, and gives an example no longer one by one at this.
As shown in Figure 2, the utility model embodiment also provides a kind of USB flash disk system, described system comprises described Multifunctional U disk 100 and computing machine 200, wherein: described computing machine 200 comprises: radio-frequency card reads control module 201, is used to control described radio-frequency card reading unit 103 and reads described external radio frequency card information; Mobile Internet access control module 202 is used for communicating by letter with external the Internet with realization by controlling described mobile Internet access unit 105; Safety certification administrative unit 203 is used to manage the personal authentication's information from described safety certification unit 106 inputs.
Below further introduce the Multifunctional U disk that the utility model embodiment provides with a plurality of concrete examples.As shown in Figure 3, the Multifunctional U disk that provides of the utility model embodiment comprises mobile Internet access unit 301, control module 302, external interface unit 303 (including but not limited to USB interface, blue tooth interface, infrared interface), radio-frequency antenna 304, radio frequency interface unit 305, safe SIM card/SIM card 306.Preferably, described Multifunctional U disk can also comprise security module 307.Described security module 307 at least can be shown in 3 places described Multifunctional U disk as module independently, and interchangeable is that described security module 307 can also place described safe SIM card/SIM card 306.The utility model embodiment is not as limit, and the person of ordinary skill in the field can utilize the technology of being grasped, and does further modification as required, do not repeat them here.
Below in conjunction with Fig. 4 to Fig. 8, introduce every function of described Multifunctional U disk further.Among Fig. 4 to Fig. 8, unit that is used or module connect with heavy black line bar box indicating, the arrow with the band solid line between the unit that respectively is used; Unit that all the other are not used or module connect with black hachure box indicating, the arrow with the band dotted line between the unit that is not used.
As shown in Figure 4, by the annexation between each unit, can realize the mobile Internet access function of described Multifunctional U disk.Specifically, after by external interface unit 303 described Multifunctional U disk being connected to outer computer 308, described Multifunctional U disk receives the online instruction from computing machine 308, by external interface unit 303 described online instruction is inputed to control module 302.Control module 302 sends the instruction of dialling up on the telephone to mobile Internet access unit 301.Described mobile Internet access unit 301 gets access to the number of safe SIM card/SIM card by control module, the mobile network's (including but not limited to: GSM network, WCDMA network, TD-SCDMA network, CDMA2000 network or EVDO network) who provides by means of mobile operator passes through dialing, realizes inserting the internet.For reflection more intuitively by described by realizing that by means of Multifunctional U disk outer computer 308 inserts internets, the interface sectional drawing of the Control Software that outer computer 308 ends are as shown in Figure 5 moved now is provided.Shown in Figure 5, be example with the 3G online, when the user selects " 3G online " function button, import access point again, click " connection ", promptly may command dials up on the telephone with the Multifunctional U disk that computing machine 308 links to each other.Behind the internet to be accessed, correspondingly, as shown in Figure 6, computing machine 308 ends can also realize the surfing the Net real time inspection of flow situation and to the inquiry and the statistics of historical flow situation; As shown in Figure 7, computing machine 308 ends can utilize the SIM card in voice-input device and the described Multifunctional U disk, call out called number; In like manner, can also only need to receive and dispatch the note in the described SIM card or edit/search phone directory as shown in Figure 8 at computing machine 308 ends.
As shown in Figure 9, by the annexation between each unit, the realization safety certification function that can realize described Multifunctional U disk (for example: function USB key).By way of example, be provided with the safe SIM card that has PKI (authentication public key algorithm) function in the described Multifunctional U disk, cooperate corresponding calculated machine interface library function.After passing through external interface unit 303 and computing machine 308 link to each other, by the authentication center of internet in certificate server (for example: the request authentication authentication center of financial institutions such as Unionpay or securities broker company), so can realize digital signature and certificate download, test and sign and the function of data encryption, its use realize identical with existing USBkey product.If SIM card obtains the distribution of mobile operator, then device also can utilize mobile Internet access unit 301 to realize mobile Internet access simultaneously, also can realize above-mentioned verification process in mobile Internet access.Realize certificate management for more intuitive reflection Multifunctional U disk, the interface sectional drawing of the Control Software that outer computer 308 ends are as shown in figure 10 moved now is provided.Shown in Figure 10, certificate management can be safeguarded personal certificate, with assurance user's the network and the validity of financial transaction.Certificate management comprises functions such as certificate update, certificate query, credential duplication, certificate back-up, explanation respectively below.Certificate update: be meant the certificate of working as the user lost efficacy (for example: three months) for the previous period, the user can network and upgrade the certificate of oneself, and is timely and effective with the certificate that guarantees oneself; Certificate query: but the inquiring user certificate information; Credential duplication: when the user needs document certificate, can become document certificate to credential duplication; Certificate back-up: backup user's document certificate, in time repair when damaging with convenient user's certificate.
As shown in figure 11, by the annexation between each unit, the realization radio-frequency card card reader that can realize described Multifunctional U disk (for example: the bus IC card card reader) function.By way of example, after passing through external interface unit 303 and computing machine 308 link to each other, described Multifunctional U disk receives the steering order that Multifunctional U disk is realized the radio-frequency card functions of card reader from the requirement of computing machine 308, that is to say, be: described Multifunctional U disk is set at radio-frequency card card reader pattern by described instruction.After receiving described instruction, described control module 302 is controlled to realize the communication (radio frequency interface unit 305 is connected the radio-frequency card reading unit 103 that is equivalent to after making up among Fig. 1 with radio-frequency antenna 304) between radio-frequency antenna 304, radio frequency interface unit 305, control module 302, external interface unit 303 and the computing machine 308.Like this, contactless card 3010 is near radio frequency interface unit 305 and radio-frequency antenna 304 time, and the information of contactless card 3010 inside just can be read.Aspect the support of radio frequency protocol, same radio frequency protocol is supported with radio-frequency antenna 304 in described contactless card 3010, radio frequency interface unit 305, for example: all support ISO14443 Type A/B and Mifare agreement.Realize the radio-frequency card functions of card reader for more intuitive reflection Multifunctional U disk, the interface sectional drawing of the Control Software that outer computer 308 ends are as shown in figure 12 moved now is provided.Shown in Figure 12, card reader management is used for parameter setting, the non-contact read-write card of card reader and meets the supplementing with money of the card with noncontact small amount payment function (for example mass transit card) of PBOC2.0 standard.The card reader application function is divided into two parts: the one, and the setting of card reader parameter; The 2nd, the read-write capability of the non-contact card of card reader.As shown in figure 13, the stored value card of card reader is supplemented the supplementing with money of the contactless CPU card with electronic purse function that function can be used for meeting the PBOC2.0 standard with money, mass transit card for example, contactless bank card etc.This function is followed the finance norms of PBOC2.0, realized that individual subscriber supplements with money whenever and wherever possible, significantly reduced the layout of supplementing terminal with money of bank and relevant hair fastener unit, the user supplements with money by freedom of network, has alleviated bank and relevant hair fastener unit in manpower and operational burden.
As shown in figure 14, by the annexation between each unit, can realize realization radio-frequency card (for example: bus IC card or the gate inhibition's card) function of described Multifunctional U disk.SIM card in the Multifunctional U disk is supported the SWP agreement, and when Multifunctional U disk did not link to each other with outer computer, Multifunctional U disk was converted to the radio-frequency card pattern, so also just can be read by non-contact radio-frequency card read-write equipment 309.Among Figure 14, when non-contact radio-frequency card read-write equipment 309 (for example: bus IC card card reader or gate inhibition's card reader) with after computing machine 308 links to each other, after non-contact radio-frequency card read-write equipment 309 receives and comes from the steering order of computing machine, the function of tool read-write non-contact radio-frequency card.At this moment, with the close non-contact radio-frequency card read-write equipment 309 of described Multifunctional U disk, the radio-frequency information that non-contact radio-frequency card read-write equipment 309 can read in the Multifunctional U disk.Say that further the radio-frequency information that is stored in safe SIM card/SIM card 306 can be read by non-contact radio-frequency card read-write equipment 309 by radio frequency interface unit 305, radio-frequency antenna 304.Radio frequency interface unit 305 among this Figure 14 is equivalent to radio-frequency card transmitting element 104 among Fig. 1 be connected combination with radio-frequency antenna 304 after).Aspect the support of radio frequency protocol, ISO14443 Type A/B and Mifare agreement all can be supported in each unit in the present embodiment.Realize the radio-frequency card function for more intuitive reflection Multifunctional U disk, the interface sectional drawing of the Control Software that outer computer 308 ends are as shown in figure 15 moved now is provided.In Figure 15, radio-frequency card itself has the electronic purse function that meets the PBOC2.0 standard, can be used for the small amount consumption of some public places such as market.The user can be supplemented with money by the account of oneself by network, is convenient to daily small amount consumption.
As shown in figure 16, by the annexation between each unit, but can realize the extension storage apparatus function of described Multifunctional U disk.Built-in storage card in the described Multifunctional U disk (including but not limited to SD card, FLASH card, TF card, mmc card) can be adjusted the capacity of described Multifunctional U disk by the capacity of changing storage card.
Need to prove, although the foregoing description has been introduced the multiple function of Multifunctional U disk respectively,, in actual applications, the user might use wherein a plurality of functions simultaneously, and the Multifunctional U disk that the utility model provides is still supported.
Above embodiment; it is the preferred embodiment of the utility model; and be not in order to restriction the utility model, common variation that those skilled in the art carries out in the technical solution of the utility model and replacement all should be included within the protection domain of the present utility model.
Claims (10)
1. Multifunctional U disk, described Multifunctional U disk comprises: USB interface and flash memories; It is characterized in that described Multifunctional U disk also comprises: control module, described control module is connected with flash memories with described USB interface, is used to control described USB interface and flash memories;
The radio-frequency card reading unit is connected with described control module, is used to read the external radio frequency card information, and the external radio frequency card information that reads is exported by described USB interface;
The radio-frequency card transmitting element is connected with described control module, is used to store local radio-frequency card information, and described local radio-frequency card information is sent to the external radio frequency card reading device;
The mobile Internet access unit is connected with described control module, is used for being connected with outer computer by described USB interface, and described outer computer is communicated by letter with external the Internet;
Safety certification unit is connected with described control module, is used to store personal authentication's information, and described personal authentication's information is exported to external authentication server by described USB interface authenticates.
2. Multifunctional U disk as claimed in claim 1 is characterized in that, described radio-frequency card reading unit comprises: radio-frequency antenna and radio frequency interface unit;
Described radio-frequency antenna is input to USB interface with the external radio frequency card information that reads by described radio frequency interface unit, by described USB interface described external radio frequency card information is exported again.
3. Multifunctional U disk as claimed in claim 1 is characterized in that, described radio-frequency card transmitting element comprises: radio-frequency antenna, radio frequency interface unit and SIM card;
The local radio-frequency card information that described SIM card will be stored is input to described radio-frequency antenna by described radio frequency interface unit, and described radio-frequency antenna sends to the external radio frequency card reading device with described local radio-frequency card information again.
4. Multifunctional U disk as claimed in claim 3 is characterized in that, described SIM card comprises: the SIM card that has authentication public key algorithm PKI.
5. Multifunctional U disk as claimed in claim 1 is characterized in that, described mobile Internet access unit comprises: gsm module, WCDMA module, TD-SCDMA, CDMA2000 module or EVDO module;
Insert described external the Internet by described gsm module, described WCDMA module, described TD-SCDMA module, described CDMA2000 module or described EVDO module.
6. Multifunctional U disk as claimed in claim 1, it is characterized in that, described personal authentication's information is exported to external authentication server by described USB interface and authenticated and comprise: described personal authentication's information is exported to external authentication server by described USB interface, to realize that digital signature, certificate are downloaded, certificate is tested and signed and the data enciphering/deciphering.
7. Multifunctional U disk as claimed in claim 1 is characterized in that, described radio-frequency card reading unit, described radio-frequency card transmitting element are supported ISO14443 Type A/B and Mifare agreement.
8. a USB flash disk system is characterized in that, described system comprises Multifunctional U disk and computing machine, wherein:
A kind of Multifunctional U disk, described Multifunctional U disk comprises: USB interface and flash memories; Control module, described control module is connected with flash memories with described USB interface, is used to control described USB interface and flash memories; The radio-frequency card reading unit is connected with described control module, is used to read the external radio frequency card information, and the external radio frequency card information that reads is exported by described USB interface; The radio-frequency card transmitting element is connected with described control module, is used to store local radio-frequency card information, and described local radio-frequency card information is sent to the external radio frequency card reading device; The mobile Internet access unit is connected with described control module, is used for being connected with outer computer by described USB interface, and described outer computer is communicated by letter with external the Internet; Safety certification unit is connected with described control module, is used to store personal authentication's information, and described personal authentication's information is exported to external authentication server by described USB interface authenticates;
Described computing machine comprises: radio-frequency card reads control module, is used to control described radio-frequency card reading unit and reads described external radio frequency card information; The mobile Internet access control module is used for communicating by letter with external the Internet with realization by controlling described mobile Internet access unit; The safety certification administrative unit is used to manage the personal authentication's information from described safety certification unit input.
9. USB flash disk as claimed in claim 8 system is characterized in that, described radio-frequency card reading unit, described radio-frequency card transmitting element and described radio-frequency card read control module and support ISO14443 Type A/B and Mifare agreement.
10. USB flash disk as claimed in claim 8 system, it is characterized in that, described personal authentication's information is exported to external authentication server by described USB interface and authenticated and comprise: described personal authentication's information is exported to external authentication server by described USB interface, to realize that digital signature, certificate are downloaded, certificate is tested and signed and the data enciphering/deciphering.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010201226801U CN201607736U (en) | 2010-03-03 | 2010-03-03 | Multi-functional U disc and U disc system |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010201226801U CN201607736U (en) | 2010-03-03 | 2010-03-03 | Multi-functional U disc and U disc system |
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| CN201607736U true CN201607736U (en) | 2010-10-13 |
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| CN2010201226801U Expired - Lifetime CN201607736U (en) | 2010-03-03 | 2010-03-03 | Multi-functional U disc and U disc system |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101807424A (en) * | 2010-03-03 | 2010-08-18 | 孟晋 | Multifunctional U disk and U disk system |
| CN102664737A (en) * | 2012-04-16 | 2012-09-12 | 北京奥信通科技发展有限公司 | Memory card management system and memory card |
-
2010
- 2010-03-03 CN CN2010201226801U patent/CN201607736U/en not_active Expired - Lifetime
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101807424A (en) * | 2010-03-03 | 2010-08-18 | 孟晋 | Multifunctional U disk and U disk system |
| CN101807424B (en) * | 2010-03-03 | 2013-04-10 | 孟晋 | Multifunctional U disk and U disk system |
| CN102664737A (en) * | 2012-04-16 | 2012-09-12 | 北京奥信通科技发展有限公司 | Memory card management system and memory card |
| CN102664737B (en) * | 2012-04-16 | 2016-05-04 | 北京奥信通科技发展有限公司 | Storage card management system and storage card |
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Granted publication date: 20101013 |